Scale Factor and Similar Polygons

When applying a scale factor greater than 1, does the object become larger or smaller?

• smaller

• stays the same size

• disappears

• larger

Tags

CCSS.7.G.A.1

When applying a scale factor between 0 and 1, does the object become larger or smaller?

• smaller

• doubles in size

• stays the same size

• larger

Tags

CCSS.8.G.A.3

If the scale factor is 2, and the original length is 5 cm, what is the new length?

• 10 cm

• 15 cm

• 7 cm

• 3 cm

Tags

CCSS.7.G.A.1

If the scale factor is 0.5, and the original length is 10 cm, what is the new length?

• 7 cm

• 5 cm

• 2 cm

• 15 cm

Tags

CCSS.7.G.A.1

The Eiffel Tower in Paris, France, is 986 feet tall, not including its antenna. A replica of the Eiffel Tower was built as a ride in an amusement park. If the scale factor of the replica to the actual tower is approximately 1:3, how tall is the ride?

• 329 ft

• 2,958 ft

• 986 ft

• 512 ft

Tags

CCSS.7.G.A.1

If the distance between Earth and the Sun is actually 150,000,000 kilometers, how far apart are Earth and the Sun when using the 1:93,000,000 scale model?

• 1.61 km

• 1.61 m

• 13,950,000,000,000,000,000 km

• 13,950,000,000,000,000,000 m

Tags

CCSS.7.RP.A.2C

What is the scale factor of the smaller shape to the bigger?

• 1:3.5

• 4:14

• 6:21

• 1:5.25

Tags

CCSS.7.G.A.1

• 1/2
• 7/3
• 2
• 10/3

Tags

CCSS.7.G.A.1

Use the scale drawing to create a proportion and find the height of the tree.

• 12.5 feet

• 8 feet

• 200 feet

Tags

CCSS.HSG.SRT.B.5

Pam drew a scale drawing of a game room. She used the scale 1 inch : 2 feet. If the air hockey table is 5 inches in the drawing, how long is the actual air hockey table?

• 10 Feet

• 2.5 Feet

• 5 Feet

• 15 Feet

Tags

CCSS.7.G.A.1